Sehen Sie, wie die Multiphysik-Simulation in Forschung und Entwicklung eingesetzt wird
Ingenieure, Forscher und Wissenschaftler aus allen Branchen nutzen die Multiphysik-Simulation, um innovative Produktdesigns und -prozesse zu erforschen und zu entwickeln. Lassen Sie sich von Fachbeiträgen und Vorträgen inspirieren, die sie auf der COMSOL Conference präsentiert haben. Durchsuchen Sie die untenstehende Auswahl, verwenden Sie die Schnellsuche, um eine bestimmte Präsentation zu finden, oder filtern Sie nach einem bestimmten Anwendungsbereich.
Sehen Sie sich die Kollektion für die COMSOL Conference 2024 an
Hydrophones are acoustic receivers, which can be used to listen to the sound propagating underwater for the purposes of monitoring marine life, or other sound producing activities in the sea. Commonly used hydrophones are based on piezoelectric transducers. With the introduction of fiber ... Mehr lesen
光中包含着巨大的能量，光能的利用一直是研究的热点。基于半导体纳米颗粒的吸光特性（如二氧化钛、氧化锌、四氧化三铁等），我们首先通过实验研究了在光强具有高斯分布的激发光作用下，微液滴内悬浮纳米颗粒的受迫运动，发现在液滴内产生了~mm/s的对称涡流，表明这一方法是在粘性主导的微流动下形成高速流动的有效手段。机理分析表明，这一光与液滴相互作用问题的物理机制为非均匀光热效应(温度梯度~1000K/m)及其所诱导的Marangoni对流，是一个包含光、热、物质与流体双向作用、界面张力梯度的复杂多物理场耦合流动问题。为了模拟这一实验现象，我们在COMSOL ... Mehr lesen
The radio-frequency(RF) plasma sources have shown great potential in various industrial applications such as thin coatings deposition and polymers modification[1,2]. Physics of low pressure RF plasmas has been investigated significantly[3]; however, this kind of plasma source is rarely ... Mehr lesen
This poster describes a simulation of reverse saturable absorption in a solution C60 molecules using the COMSOL Multiphysics® software. The optical processes in C60 can be modeled through a five-level system. The energy states include three levels of the singlet state, coupled to two ... Mehr lesen
A program for self-consistent modeling of electron-hole energy spectrum and space-charge distribution in III-nitride based quantum well (QW) structures has been developed. The model takes into consideration full 6-band description of the valence band states, nonparabolicity of the ... Mehr lesen
Outline of presentation: We have seen a few of the diverse ways e2v has started to use COMSOL It is allowing us to view our processes in a different way Resulting in improvements It is enabling our engineers and scientists to examine the full application, not just the microwave or RF ... Mehr lesen
Over the last decade, ambient vibration energy harvesting by piezoelectric materials has been an area of extensive research. This technology enables to convert wasted mechanical energy available in our environment into useful electrical energy to power up autonomous wireless sensors ... Mehr lesen
空芯光子晶体光纤（HC-PCFs）具有不同于传统光纤的带隙导光机制，在光通信系统、高功率激光器、工业制造和生物医疗等许多领域有广阔的应用前景。随着光纤拉制技术的不断进步，不同纤芯结构的 HC-PCFs 出现并带来了更好的光传输特性（图1）。通过设计新的纤芯形状，并运用 COMSOL Multiphysics® 中的 RF 模块进行仿真，可以研究各种纤芯 HC-PCFs 的模式（图2）、泄漏损耗（图3）和波导色散（图4）等特性。结果表明：设计的内凹圆化形纤芯 HC-PCFs 比传统的正十二边形纤芯 HC-PCFs 有更低的泄漏损耗和波导色散，而设计的内凹直线形纤芯 HC ... Mehr lesen
干式变压器作为城区供电的重要电力设备，其连续运行时的振动噪声问题已成为制约其发展和应用的瓶颈，铁心的振动噪声不仅会对人们的生活环境造成污染，而且会降低设备的可靠性。由于该问题涉及电磁-机械-声多物理场耦合，铁心振动噪声的准确计算是研究此问题的关键。为此本文基于硅钢片磁特性的测量数据，并考虑铁心磁致伸缩效应，采用 COMSOL Multiphysics 多物理场仿真软件，通过 AC/DC 模块、声-固耦合模块对变压器铁心的应力、声压级分布进行研究，并提出优化控制方法。首先进行场路耦合计算，得到铁心磁场分布及应力分布，最后基于振动位移计算变压器的噪声情况 ... Mehr lesen
Over time, rechargeable batteries degrade and eventually stop working. You see some combination of declining capacity, rapid self-discharge, and reduced power. Degradation mode depends on battery design, but also on the application. Often, multiple physical processes contribute to ... Mehr lesen